Home / 2,423.75-3,346.34-1,528.74

Finding the Fourth Proportional to 2,423.75, 3,346.34 and 1,528.74

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Solution

The fourth proportional to 2,423.75, 3,346.34 and 1,528.74 is: 2,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.75 : 3,346.34 = 1,528.74 : x
  2. Step 2: Convert to fraction form
    2,423.75/3,346.34 = 1,528.74/x
  3. Step 3: Cross multiply
    2,423.75x = 3,346.34 × 1,528.74
  4. Step 4: Simplify right side
    2,423.75x = 5,115,676.17
  5. Step 5: Solve for x
    x = 5,115,676.17/2,423.75
  6. Step 6: Final answer
    x = 2,110.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.